Method and apparatus for relocating RAID meta data

Electrical computers and digital processing systems: memory – Storage accessing and control – Specific memory composition

Reexamination Certificate

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Details

C711S165000, C711S170000, C714S006130

Reexamination Certificate

active

06985996

ABSTRACT:
Methods and an apparatus for enabling the interoperability of a RAID implementation between different host systems by compacting the meta data so the meta data is accessible by the different systems are provided. In one embodiment, a method for enabling interoperability of a RAID implementation between different host systems is provided. The method initiates with meta data being identified for a RAID implementation. Next, the meta data of the RAID implementation is stored. Then, the RAID implementation is transferred from a first host system to a second host system. Next, the meta data for each disk of the RAID implementation is accessed in response to the start-up of the second host system. The compact meta data allows for a simplified migration process also. Computer readable media and a RAID system are also provided.

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